* Further improvements of Warehouse view

* Fixed issue with not saving Products updates

OrdersManagement/Components/Pages/WarehousePackList.razor

@@ -3,6 +3,7 @@
 @using Syncfusion.Blazor.Grids
 @using SytelineSaAppEfDataModel.Dtos
 @using Syncfusion.Blazor.Navigations
+@using Syncfusion.Blazor.Popups
 
 @inject WarehouseService WarehouseService
 
@@ -13,13 +14,13 @@
         </CardHeader>
         <CardContent>
             <SfGrid @ref="_grid"
-                AllowFiltering="true"
-                AllowPaging="true"
-                AllowSorting="true"
-                AllowSelection="true"
-                TValue="WzRowMeyleDto"
-                DataSource="@_wzRowsMeyle"
-                EnableAdaptiveUI="true">
+                    AllowFiltering="true"
+                    AllowPaging="true"
+                    AllowSorting="true"
+                    AllowSelection="true"
+                    TValue="WzRowMeyleDto"
+                    DataSource="@_wzRowsMeyle"
+                    EnableAdaptiveUI="true">
                 <SfToolbar>
                     <ToolbarItems>
                         <ToolbarItem Type="ItemType.Button" Text="Zapisz" Id="SaveButton"
@@ -59,6 +60,25 @@
                 <GridEvents OnBatchSave="OnBatchSave" TValue="WzRowMeyleDto"></GridEvents>
             </SfGrid>
         </CardContent>
+
+        <SfDialog Width="500px" Title="Informacja" IsModal="true" @bind-Visible="Visibility" AllowPrerender="true">
+            <DialogTemplates>
+                <Content>
+                    @if (_isValid)
+                    {
+                        <p>Packing List został wygenerowany i wysłany!</p>
+                    }
+                    else
+                    {
+                        <p>Błąd: Nie Wszystkie linie mają wypełniony <b>NUMER PALETY</b>.<br/>Packing List nie zostanie wygenerowany!</p>
+                    }
+                </Content>
+            </DialogTemplates>
+            <DialogButtons>
+                <DialogButton Content="OK" IsPrimary="true" OnClick="@HideModal"/>
+            </DialogButtons>
+        </SfDialog>
+        
         <CardFooter>
             <small class="text-muted">FA Krosno Manager © @(DateTime.Now.Year)</small>
         </CardFooter>
@@ -71,6 +91,15 @@
     private SfGrid<WzRowMeyleDto> _grid;
     private IEnumerable<WzRowMeyleDto> _wzRowsMeyle { get; set; } = new List<WzRowMeyleDto>();
 
+    private bool _isValid;
+    
+    private bool Visibility { get; set; }
+    
+    private void HideModal()
+    {
+        Visibility = false;
+    }
+
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         if (firstRender)
@@ -99,6 +128,15 @@
 
     private async Task ExportXls()
     {
-        await WarehouseService.GenerateXlsForMeyleAsync(WzHeader);
+        int count = _wzRowsMeyle.Count(x => x.PalletNumber == null);
+        
+        _isValid = count == 0;
+
+        if (_isValid)
+        {
+            await WarehouseService.GenerateXlsForMeyleAsync(WzHeader);
+        }
+
+        Visibility = true;
     }
 }